BLKDEV_ISSUE_DISCARD(9) Block Devices BLKDEV_ISSUE_DISCARD(9)
NAME
blkdev_issue_discard - queue a discard
SYNOPSIS
int blkdev_issue_discard(struct block_device * bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, unsigned long flags);
ARGUMENTS
bdev
blockdev to issue discard for
sector
start sector
nr_sects
number of sectors to discard
gfp_mask
memory allocation flags (for bio_alloc)
flags
BLKDEV_IFL_* flags to control behaviour
DESCRIPTION
Issue a discard request for the sectors in question.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 BLKDEV_ISSUE_DISCARD(9)
